Excerpts from a Presentation Given to the WRAP Market Trading Form on Recommended Approaches to the Stationary Source NOx and PM Report Lee Alter Western.

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Presentation on theme: "Excerpts from a Presentation Given to the WRAP Market Trading Form on Recommended Approaches to the Stationary Source NOx and PM Report Lee Alter Western."— Presentation transcript:

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Excerpts from a Presentation Given to the WRAP Market Trading Form on Recommended Approaches to the Stationary Source NOx and PM Report Lee Alter Western Governors Association

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Nature of Stationary Sources Stationary source contributions expected to grow. Stationary source PM 10 emissions appear less important than NOx, but they may contribute more to haze on a per ton basis. They may also contribute more on a per ton basis than PM 10 emissions from other source categories.

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1996 NOx 765 plants > 100 tpy These account for 94% of emissions 185 are in CA ~150 are power plants Nature of Stationary Sources

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1996 PM 10 339 plants > 100 tpy These account for 82% of emissions 54 are in CA <150 are power plants

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Section 309(d)(4)(v) Requirements SIPs must include a report which assesses emissions control strategies for stationary source NOx and PM, and the degree of visibility impairment that would result from such strategies. The report must evaluate the need for milestones to avoid net increases and to support possible multipollutant and multisource programs. The SIP must commit to a 2008 revision containing any necessary long-term strategies and BART requirements for stationary source NOx and PM.

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Other Considerations §308 states Gaps or uncertainties may exist in the inventory that substantially affect the assessment (e.g., existing controls and capacity factors) Emission reduction potential Control costs BART Uncertainty of NH3 inventory

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Proposed Approach The report should be a starting point for addressing stationary source NOx and PM emissions. –What is the relative significance of these emissions? –What is a reasonable range of control levels given existing technologies, costs, and benefits? –How should the WRAP address these sources more comprehensively over the next few years? The report is not intended to recommend strategies, control levels, or define BART.

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Proposed Approach Hire contractor(s) to: –Summarize state-of-science with respect to the role of stationary source NOx and PM emission on regional haze in the West. –Assess and improve inventory where practical. –Estimate emission reductions if existing or state-of-the- art controls were applied to uncontrolled or modestly controlled sources. –Estimate the costs of such reductions.

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